/*初始化*/
*{
    margin: 0;
    padding: 0;
}
.header{
    background-color: black;
    color: white;
}
.header img{
    height: 50px;
    margin-top: 15px;
    float: left;
}
.content{
    width: 90%;
    margin: 0 auto;
    overflow:hidden; /* 清除浮动 */
}
.header-left{
    width: 30%;
    float: left;

}
.header-left span{
    line-height: 80px;
    display: block;
    float:right;
    color: #bcaa91;
    cursor: pointer;
}
.header-mid{
    width: 40%;
    float: left;
}
.header-mid ul{
    list-style: none;
    overflow:hidden; /* 清除浮动 */
}

.header-mid ul li{
    float: left;
    width: 25%;
    height: 80px;
    text-align: center;
}
.header-mid ul li.active a{
    color: red;
}
.header-mid a{
    color: white;
    text-decoration: none;
    line-height: 80px;
    
}
.header-right{
    width: 30%;
    float: right;
}
.header-right img{
    height: 40px;
    margin-top: 20px;
    float: right;
}
.header-right span{
    line-height: 80px;
    display: block;
    float: right;
    margin: 0 20px ;
}
.header-right button{
    width: 100px;
    height: 40px;
    margin: 20px;
    border-radius: 10px;
    background-color: transparent;
    color: white;
    cursor: pointer;
    float: right;
}
.header-right button:hover{
   background-color:#c85353;
   color: black; 
}

/* banner部分样式 */
.banner{
    background-color: #5f5b5b;
    color: white;
}
.banner-left{
    width: 40%;
    float: left;
}
.banner-left h1{
    margin: 100px 0 30px;
    font-weight: 300;
}
.banner-left p{
    color: #c3c0c0;
    font-size: 14px;
    line-height: 30px;
}
.banner-left span{
     margin-top: 30px;
     display: block;
     width: 200px;
     height: 50px;
     line-height: 50px;
     background-color:#f73f3f;
     text-align: center;
     font-size: 20px;
     border-radius: 25px;
     cursor: pointer;

}
.banner-left span:hover{
    background-color: transparent;
    color: #f73f3f;
    border: solid 1px #f73f3f;
}
.banner-right{
    widows: 40%;
    float: right;
    text-align: right;
}
.banner-right img{
    width: 80%;
    max-width: 450px;

}
/* icon部分 */
.icon {
    background-color:black ;
    color: white;
    padding: 50px 0;
}
.icon ul{
    list-style: none;
    overflow: hidden;

}
.icon li{
    width: 25%;
    float: left;
}
.icon_box{
    text-align: center;
}
.icon_box h3{
    color: #f73f3f;
    margin: 20px 0;
}
.icon_box p{
    font-size: 14px;
}

/* advantage部分 */
.advantage{
    background-color: #e2e2e8;
    padding: 50px 0;
    
}
.adv-header{
    text-align: center;
    margin-bottom: 50px;
}
.adv-header h1{
    font-weight: 400;
}
.adv-header h1 span{
    color: #f73f3f;
}
.adv-header p{
    font-size: 14px;
    color: #c4c4c1;
}

.adv-body{
    display: flex;/* 弹性布局 */  
    
}
.adv-box{
    border: 1px solid #c01919;
    margin: 0 30px;
    padding: 30px;
    text-align:center ;
    border-radius:20px ;
}
.adv-box img{
    min-height: 120px;
}
.adv-box h3{
    color: red;
}
.adv-box p{
    font-size: 14px;
    color: #4b453d;

}

/* 特征部分 */
.feature{
    background-color: white;
    padding: 40px 0;
    
}
.feature-header{
    overflow: hidden;
    height: 150px;  
}
.feature-header ul{
    float: left;
    position: relative;
    left: 33%;
}
.feature-header ul li{
    float: left;
    background-color: #d06d6d;
    margin: 40px;
    padding: 0 40px;
    line-height: 40px;
    color: white;
    border-radius: 50px; 
}
.feature-header ul li.active a{
    color:#978686;
}   
.feature-header a{
    color: white;
    text-decoration: none;
}
.feature_button{
    margin-top: 30px;
    display: block;
    width: 200px;
    line-height: 50px;
    background-color: #d06d6d;
    text-align: center;
    color: white;
    cursor: pointer;
    border-radius: 20px;
}
.feature-left{
    width: 50%;
    float: left;
}
.feature-left h2{
    font-size: 30px;
    font-weight: 400;
    margin-bottom: 40px;
}
.feature-left h2 span{
    color: #e46e6e;
}
.feature-left p{
    color:#827b7b ;
    font-size: 20px;
    margin-bottom: 40px;
}
.feature-left p span{
    font-weight: 600;
}
.feature-right{
    float:right;
}
/* help部分 */
.help{
    background-color: #e2e2e8;
    padding: 50px 0;
}
.help-body{
    margin: 50px;
}
.help-heater{
    border-bottom: 2px solid red;
}
.help-heater h2{
    color: #bf2f2f;
    padding: 25px 0;
    text-align: center;
    font-weight: 400;
}
.help-left{
    width: 40%;
    float: left;
}
.help-left img{
    border-radius: 50%;
    overflow: hidden; 
}
.help-right-top{
    text-indent: 2em;
    color: #736e6e;
    margin-bottom: 20px;
}
.help-right-up p{
  float: left;
  width: 50%;
  font-size: 14px;
  color:#d6785e ; 
}
.help-right-up p span{
    font-size: 20px;
    color:#d6785e ;
}
.help-right-up span{
    font-size: 30px;
}
/* contact部分 */
.contact{
    padding: 30px 0;
}
.contact-left{
    width: 50%;
    float: left; 
}
.contact-left h1{
    font-size:30px;
    font-weight:400;
    color: #bf2f2f;
    margin-bottom: 20px;
}
.contact-left input{
    width: 220px;
    height: 30px;
}
#email{
    width: 450px;
    margin:20px 0 ;
}
.contact-left input[type=submit]{
    margin-top: 20px;
    background-color: #c01919;
    font-size: 20px;
    color: #c3c0c0;
    border: 1px solid;
    margin-bottom: 20px;
}
.contact-right{
    width: 50%;
    text-align: center;
    float: right;
}
.contact-left span{
     color: #e2e2e8;
}
.contact-right img{
   max-width: 400px;
}
/* apply部分*/
.apply{
    padding: 30px 0;
    background-color: black;
    
}
.apply_left{
    float: left;
    width: 50%;
}
.apply_left p{
    margin: 50px 0;
    color: white;
    font-style: italic;
    font-weight: 450;
}
.apply_right{
    float: right;
    width: 50%;
}
.apply_right span{
    margin-top: 30px;
    display: block;
    width: 200px;
    line-height: 50px;
    background-color: #d06d6d;
    text-align: center;
    color: white;
    cursor: pointer;
    border-radius: 40px;
    float: right;

}
/* footer部分 */
.footer{
    padding: 20px;
    background-color: #5f5b5b;
    color: white;
}
.footer-wraper{
    margin-top: 20px;
 column-count: 4;
 column-gap: 85px;
}
.footer-wraper ul{
    list-style: none;
}
.footer-box{
    height: 400px;
}
.footer-box h3{
    font-size: 14px;
    color: #bac0b2;
    margin-bottom: 15px;
}
.footer-box p{
    margin: 10px;
    font-size: 15px;
    color: #c3c0c0;
}
.footer-box span{
    margin: 10px;
    font-size: 15px;
    color: #c3c0c0;
    line-height: 40px;
    
}
#al{
    color:#008000;
}
.footer-box li img{
    max-width: 30px;
    max-height:15px;
    
}
.footer-box li span{
    font-size: 15px;  
}
